Yuina has feelings for her brother, with whom she has no blood relationship. One day, a mysterious voice leads her to a strange place. A man attacks her without knowing why, and she desperately needs his help. But then, a ghostly succubus appears with a light to save her! The succubus possesses Yuina’s body and begins to sexually attack her at a furious pace. The mysterious succubus squeezes out all the men she can, not caring if the naive Yuina gets nervous. What will happen to Yuina in a world where succubi abound? ‘I want to go home…… to my brother…’ The story is about a young woman who is in love with her brother, but she doesn’t know what to do with him! I have been “connected” with a lascivious succubus! But that’s how things are…